Files
POCloud-CookieCutter/{{cookiecutter.driver_name}}/python-driver/{{cookiecutter.driver_name}}.py
2017-08-29 17:43:23 -05:00

100 lines
3.3 KiB
Python

"""Driver for {{cookiecutter.driver_name}}"""
import threading
from device_base import deviceBase
from Channel import Channel, write_tag, BoolArrayChannels
from Maps import {{cookiecutter.driver_name}}_map as maps
import json
import time
_ = None
try:
with open("persist.json", 'r') as persist_file:
persist = json.load(persist_file)
except Exception:
persist = {}
plc_ip_address = "192.168.1.10"
def reverse_map(value, map_):
"""Perform the opposite of mapping to an object."""
for x in map_:
if map_[x] == value:
return x
return None
channels = []
class start(threading.Thread, deviceBase):
"""Start class required by Meshify."""
def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
"""Initialize the driver."""
threading.Thread.__init__(self)
deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
self.daemon = True
self.version = "3"
self.finished = threading.Event()
self.forceSend = False
threading.Thread.start(self)
# this is a required function for all drivers, its goal is to upload some piece of data
# about your device so it can be seen on the web
def register(self):
"""Register the driver."""
# self.sendtodb("log", "BOOM! Booted.", 0)
pass
def run(self):
"""Actually run the driver."""
global persist
wait_sec = 60
for i in range(0, wait_sec):
print("{{cookiecutter.driver_name}} driver will start in {} seconds".format(wait_sec - i))
time.sleep(1)
print("BOOM! Starting {{cookiecutter.driver_name}} driver...")
# after its booted up assuming that M1 is now reading modbus data
# we can replace the reference made to this device name to the M1 driver with this
# driver. The 01 in the 0199 below is the device number you referenced in the modbus wizard
self.nodes["{{cookiecutter.driver_name}}_0199"] = self
send_loops = 0
while True:
if self.forceSend:
print "FORCE SEND: TRUE"
for c in channels:
if c.read(self.forceSend):
self.sendtodb(c.mesh_name, c.value, 0)
# print("{{cookiecutter.driver_name}} driver still alive...")
if self.forceSend:
if send_loops > 2:
print("Turning off forceSend")
self.forceSend = False
send_loops = 0
else:
send_loops += 1
def {{cookiecutter.driver_name}}_sync(self, name, value):
"""Sync all data from the driver."""
self.forceSend = True
# self.sendtodb("log", "synced", 0)
return True
def {{cookiecutter.driver_name}}_writeplctag(self, name, value):
"""Write a value to the PLC."""
new_val = json.loads(str(value).replace("'", '"'))
tag_n = str(new_val['tag']) # "cmd_Start"
val_n = new_val['val']
w = write_tag(str(plc_ip_address), tag_n, val_n)
print("Result of {{cookiecutter.driver_name}}_writeplctag(self, {}, {}) = {}".format(name, value, w))
if w is None:
w = "Error writing to PLC..."
return w